The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2020
Filed:
Dec. 10, 2014
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/673 (2006.01); H01L 21/67 (2006.01); H01L 21/687 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67126 (2013.01); H01L 21/67376 (2013.01); H01L 21/68792 (2013.01);
Abstract
A sealing mechanism functioning as a separator between two spaces having different pressures includes: a housing; a shaft inserted into the housing; an annular sealing member sealing a gap by contacting a radial outer surface of the shaft or a radial outer surface of a rotary portion fixed to the shaft; and a lubricant groove storing a lubricant to be supplied between the annular sealing member and the radial outer surface.